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A025720 as a simple table

n a(n)
1 1
2 4
3 10
4 19
5 31
6 46
7 63
8 83
9 106
10 132
11 161
12 192
13 226
14 263
15 303
16 346
17 391
18 439
19 490
20 544
21 601
22 660
23 722
24 787
25 855
26 926
27 999
28 1075
29 1154
30 1236
31 1321
32 1409
33 1499
34 1592
35 1688
36 1787
37 1889
38 1993
39 2100
40 2210
41 2323
42 2439
43 2557
44 2678
45 2802
46 2929
47 3059
48 3191
49 3326

[1,4,10,19,31,46,63,83,106,132,161,192,226,263,
 303,346,391,439,490,544,601,660,722,787,855,926,
 999,1075,1154,1236,1321,1409,1499,1592,1688,1787,
 1889,1993,2100,2210,2323,2439,2557,2678,2802,2929,
 3059,3191,3326]

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Last modified April 19 02:28 EDT 2024. Contains 371782 sequences. (Running on oeis4.)